diff --git a/src/gui/painting/qpen_p.h b/src/gui/painting/qpen_p.h
index a939c5e4f6..90d5c291b6 100644
--- a/src/gui/painting/qpen_p.h
+++ b/src/gui/painting/qpen_p.h
@@ -15,7 +15,11 @@
 // We mean it.
 //
 
+#include <QtGui/qbrush.h>
+
 #include <QtCore/private/qglobal_p.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qnamespace.h>
 #include <QtCore/qshareddata.h>
 
 QT_BEGIN_NAMESPACE